Boat trailer fender



FIG. 1 is a perspective view of the boat trailer fender;

FIG. 2 is a top plan view of the boat trailer fender;

FIG. 3 is a front view of the boat trailer fender;

FIG. 4 is a rear view of the boat trailer fender;

FIG. 5 is a left side elevation of the boat trailer fender; and,

FIG. 6 is a right side elevation of the boat trailer fender.

The ornamental design for a boat trailer fender, as shown.